Dual Slot-Combing two Micro-SD/SDHC into one MS Pro Duo. (Micro-SD+Micro-SD, Micro-SDHC+Micro-SDHC, Micro-SD+Micro-SDHC). Large Capacity-Integrating one memory card with another into a memory stick with larger capacity. (Support 256M-32G for every single card and the capacities of the inserted two can be the same or different). Expandability-Supporting only one card inserted, giving more options to choose to adjust the capacity. Reliable Tech-The high quality card transferring device decides output speed of the adapter according to the speed of the inserted card. Compatibility-Effectively compatible with for PSP and most products of for Sony. Specification: Model : CR-5400 OS : for Windows for Vista XP,2000.Me,98SE,for Mac OS 9.2,for Mac OS X,for linux Support : Micro-SD 256MB-2GB / Micro-SDHC 4GB -16GB Speed : Super high read/write speed of 10 MB/s and up Note: Suit For most of the Cameras for Sony,not all for sony camera. Data Transfer can only be done with Micro-SD HC cards inserted in CR-5400. Direct PC to Micro-SDHC card data transfer and then inserting in CR-5400 won not work. Re-using your Micro-SDHC cards for other devices than CR-5400. Should you experience formatting problems (i.e. only half of the original capacity available), please format concerned Micro-SDHC card(s) in slot#1 of CR- 5400 (slot#2 must be empty). Do this for every affected card. Now you can re-use your Micro-SDHC card(s) in other devices. Material: plastic + chip colour: White Package Contents: 10 x Memory Card Adapter